Perhaps you should try some spelling variations:
cua nuoc » cua quoc, cua nguoi, cua thuoc
te sach » toc sach
lang xa » lang ha, dang xay, lang van
ve cham » ve chat, ve chim, viet cham
vu cham » vu kham, tu cham, qua cham
va cham » va chat, va tham
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
y lang » o lang, _ lang, tay lang
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y lang xa hoi. hieu ((ve cham) or (((vu cham) OR (va cham)))) thuc va hanh vi cua nuoc~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y lang xa hoi. hieu ((ve cham) OR (((vu cham) OR (va cham)))) thuc va hanh vi cua nuoc.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y lang xa hoi. hieu ((ve cham) or (((vu cham) OR (va cham)))) thuc va hanh vi cua nuoc".
• Adding a wildcard symbol may retrieve word variants: te sach y lang xa hoi. hieu ((ve cham) or (((vu cham) OR (va cham)))) thuc va hanh vi cua nuoc*.